275370638 has 4 divisors (see below), whose sum is σ = 413055960. Its totient is φ = 137685318.

The previous prime is 275370577. The next prime is 275370647. The reversal of 275370638 is 836073572.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 275370595 and 275370604.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68842658 + ... + 68842661.

It is an arithmetic number, because the mean of its divisors is an integer number (103263990).

Almost surely, 2^275370638 is an apocalyptic number.

275370638 is a deficient number, since it is larger than the sum of its proper divisors (137685322).

275370638 is a wasteful number, since it uses less digits than its factorization.

275370638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137685321.

The product of its (nonzero) digits is 211680, while the sum is 41.

The square root of 275370638 is about 16594.2953450877. The cubic root of 275370638 is about 650.5877429472.

The spelling of 275370638 in words is "two hundred seventy-five million, three hundred seventy thousand, six hundred thirty-eight".